Ch341 ftdi driver1/30/2023 ![]() ![]() I verified that it backports well (and works) at least to 5.4. Triggering the same issue with other devices having too small buffers. Involved in this issue, while a change could increase the risk of I preferred to leave the Tx value unchanged as it is not Values completely resolved the issue, even the output of "dmesg" is It uses 512 bytes rx buffers and 256 bytes tx buffers. The FTDI driver doesn't suffer at all from this. Misses many lines and where "printenv" mangles the environment. Used as a console to access U-Boot where the output of the "help" command Happens at 1.5 Mbps (which is the default speed on Rockchip devices) when (64 bytes read), some entire blocks are regularly lost. The chip supports high transfer rates, but with the small default buffers ![]() USB: serial: ch341: fix character loss at high transfer rates - Greg Kroah-Hartman archive mirror help / color / mirror / Atom feed From: Greg Kroah-Hartman ![]()
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